Robot Mop Roller Cleaning With Sewage Recovery

Resolve Bottlenecks,
Find Innovative Solutions
Generate Solutions

Solution Overview

Problem

Current cleaner robots with cotton rags and water tanks face issues of rag contamination, uncontrolled water dripping, and frequent manual cleaning, reducing their practicality and effectiveness.

Innovation Solution

A cleaning apparatus for cleaner robots featuring a detachable water spraying device, a sweeping roller with a water squeezing rod, and a sewage recovery system that allows for automatic cleaning and sewage collection, enabling continuous operation without manual intervention.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If a cotton rag with water tank is used for floor cleaning, then the cleaning function is achieved, but the rag gets dirty quickly and requires frequent manual cleaning

Engineering Contradiction:
Improvecleaning efficiencyVSAvoidtime for manual rag cleaning
Core Design Contradiction:
ProductivityVSLoss of time

Solution Approach 1:

The patent implements an automatic cleaning system where the cleaning robot cleans its own rag. A water spraying device sprays water onto the rag, a sweeping roller rotates to scrub the rag surface, and a water squeezing rod removes dirty water, enabling the system to maintain itself without human intervention

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The patent implements a sewage recovery system that collects dirty water from the rag through the water squeezing rod, stores it in a sewage tank, and enables reusable cleaning. This recovers the cleaning function by separating dirty water from the cleaning system

Inventive Principle:
Principle #34Discarding and recovering

2Reliability

If water is continuously dripped onto the rag for cleaning, then the cleaning function is maintained, but water is wasted and floors may be damaged by uncontrolled dripping

Engineering Contradiction:
Improvecleaning function continuityVSAvoidwater consumption
Core Design Contradiction:
ReliabilityVSLoss of substance

Solution Approach 1:

The patent implements a controlled water delivery system where water is sprayed onto the rag only when needed for cleaning, rather than continuous dripping. The system monitors and regulates water flow to the sweeping roller and rag, preventing waste and uncontrolled dripping onto floors

Inventive Principle:
Principle #23Feedback

Solution Approach 2:

The patent uses a water spraying device with controlled hydraulic delivery to spray water onto the rag, replacing uncontrolled gravitational dripping. This provides precise water delivery only where and when needed for cleaning effectiveness

Inventive Principle:
Principle #29Pneumatics and hydraulics

3Reliability

If the rag is removed and washed frequently by the user, then cleaning effectiveness is maintained, but the practicality and smartness of the cleaner robot is reduced

Engineering Contradiction:
Improvecleaning effectivenessVSAvoiduser operation convenience
Core Design Contradiction:
ReliabilityVSEase of operation

Solution Approach 1:

The patent implements an automatic cleaning system where the cleaning robot cleans its own rag through integrated water spraying, rotating sweeping roller scrubbing, and water squeezing functions. This eliminates the need for user removal and washing of the rag, maintaining cleaning effectiveness while preserving the smart, autonomous nature of the robot

Inventive Principle:
Principle #25Self-service

Applied Scientific Principles

This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.

Function Achieved in This Case

The apparatus ensures efficient cleaning, automatic rag cleaning, and sewage recovery, extending the service life of the cleaning apparatus and reducing user time spent on maintenance.

Implementation Method 1

The water spraying device includes a water spraying pipe, and the water spraying pipe faces towards the sweeping roller

Methodology Applied
Scientific EffectFluid spray: Fluid Spray

Implementation Method 2

A water squeezing rod is arranged between the sweeping roller and the accommodation cavity. The water squeezing rod is detachably connected with the accommodation cavity, and the water squeezing rod abuts against the sweeping roller

Methodology Applied
Scientific EffectMechanical compression: Compression

Data Source

PatentEP3925503B1Cleaning apparatus for cleaner robot
Publication Date: 2024.05.01 SHENZHEN TECBOT INTELLIGENT ROBOT CO LTD
  • EP3925503B1 patent drawingFigure 1
  • EP3925503B1 patent drawingFigure 2
  • EP3925503B1 patent drawingFigure 3

AI summary

A cleaning apparatus for a cleaner robot is provided and includes a main body. An accommodation cavity is formed inside the main body. The cleaning apparatus further includes a water spraying device and a sweeping roller, the water spraying device is disposed in the accommodation cavity and detachably connected with the accommodation cavity, and the sweeping roller is disposed in the accommodation cavity and detachably connected with the accommodation cavity. A water squeezing rod is arranged between the sweeping roller and the accommodation cavity. The main body is further disposed with a sewage recovery device detachably connected therewith. The sewage recovery device includes a sewage sink disposed at an inner side of the sweeping roller, and the sewage sink abuts against the inner side. The main body is further disposed with a driving device for driving the sweeping roller to rotate.